How does asthma work? - Christopher E. Gaw

TED-Ed
TED-Ed
7.9 میلیون بار بازدید - 7 سال پیش - View full lesson:
View full lesson: http://ed.ted.com/lessons/how-does-as...

More than 300 million people around the world suffer from asthma, and around 250,000 people die from it each year. But why do people get asthma, and how can this disease be deadly? Christopher E. Gaw describes the main symptoms and treatments of asthma.

Lesson by Christopher E. Gaw, animation by Zedem Media.
7 سال پیش در تاریخ 1396/02/21 منتشر شده است.
7,920,027 بـار بازدید شده
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